Button-clasp.



H. J. STUART.

BUTTON CLASP.-

n ULY 11.

1,290,679. Patented Jan. 7,1919.

76 @Tumummm UMTED STATES 4 PATENT QFFTCEE.

HENRY J'. STUART, OF DERBY, CONNECTICUT, ASSIGNOR TO ROBERT N. BASSETT COMPANY, INCORPORATED, 0F SHELTON,

CONNECTICUT.

CONNECTICUT, A CORPORATION OF BUTTON -CLASP.

Specification of Letters Patent.

Application filed July 17, 1918. Serial No. 245,308.

vided with a bar or support for carrying the I looped extremity of the button tab, and its object is to so construct a clasp of this char acter that the button tab may be mounted on its supporting bar after its looped extremity has been formed.

I attain this and other obje ts of my invention in the device set forth in the following description and accompanying drawings in which like reference characters refer to corresponding parts.

In the drawings:

Figure 1 is afront view of my improved clasp, a part of the button tab being shown broken away Fig. 2. a central, vertical, sectional view taken on line wm in Fig. 1;

Figs. 3 and 4. front and vertical sectional views showing the position of the parts during the process of assembling;

Fig. 5, a perspective view of the button tab;

Figs. 6 and 7. front and vertical sectional views of a modification, and

Fig. 8,a front view of a further modification.

Referring to Figs. 1 to 5 inclusive, the

clasp consists of an attaching loop A. a but-' ton loop B and an attaching loop C which latter carries a button D. The attaching wire having its extremities terminating in its lower side 2, 2 and projecting downwardly in the form of flattened pintle straps 3, 3. The outside edges 4.. 4 of these pintle straps are formed cam-shaped for a purpose which will hereinafter appear. The button loop B is also bent up out of a single piece of wire so that the wire extremities 5, 5 will terminate about midway of its top bar thereby forming the top side of the loop.

This button loop is bent after the. manner of other button loops being provided.

with an enlarged opening through which'the button may be passed and a restricted opening. below the same which embraces and.

are curled around the outer extremities'of;

the top side 5. 50f the loop so that their cam-shaped edges 4, 4 engage the upper extremities of the sides 7, 7 which latter form abutting shoulders against which these cam-shaped edges hear when "the attaching;

loop'A is swung downwardly as shown in Figs. 3 and 4. This action of the camshaped edges 4, 4 against the abutting shoulders 7. 7 spreads the upper portion of the loop B and draws the pintles 5, 5 apart so that a passage is formed between their extremities 8, 8 the purpose of which will hereinafter appear. The tab C has its extremities a, d atta hed to th'ebase' plate 6 of the button D by a suitable adhesive substance thereby forming a closed loop. one of the folds of which'is passed upwardlv from the rear through the opening formed between the erds 8. 8 of the pintles 5. 5. After the closed loop formed in' the tab has been passed be ween the ends 8.8 of the pint es the attaching loop, A is turned upwardly again into the plane of the button loop thereby allowing the top side of the latter to contract and clo e the passa e between the:

ends 8. 8 of the nintles. The looped extremitv of the ta 0 now embraces the lower side of the attaching loop A and when suffic ent tens on is placed thereon is supported by the top side of the button loop. In this manner the tab is attached to the clasp after a closed su porting loop has been formed therein. Heretofore it has een necessarv to thread the tab around the upper side. or other member of the button loop towhich it has been attached. before fastening the extremities of the fabric to form its supporting'loop. This. however. would be impracticabl in the present instance wherein the extremities are fastened to the button base in the manner above described since this operation must be performed before the tab is attached to the clasp. 'It is understood. however, that the supporting loop in Patented Jan. 7, 1919.,

the tab may be formed in any other wells.

.in tance being shown in Figs.

outer extremities of the'latter, thereby forming a neat pivotal connection which prevents any lateral movement between the two loops when the device is in use. While I have shown the extremities 8, 8 of the pintles 5, 5 as having inclined surfaces, yet it is obvione that these surfaces may be disposed in any other suitable manner- These extremities. 8, 8 maybe in contact with each. other or'substantially in contactiaccording to the spring in: the wire, the important feature being'to' close: the passage suiiicientlyso that the fold in the-tab" can not. pass outwardly through the: same when the device is in use. While I have shown both the attaching loop: and button loop madeout of wire. yet

it is obvious that'either the: onev or the other maybemade out of sheet metal, a particular 6 and 7 in which. theattaching loop-F is bent up out of a single piece of wirehaving itsextremities terminating in its lower side forming the inwardly projecting pintles, 9,9theextremities of which latter normally meet. or substantially meet. The button loop G, which isrmade of sheet metal, is provided with a to gue 10' projecting from its upper side 11 which tongue is curled to forma sleeve or hearing for the pintles 9', 9. When the button loop G is blanked the upper side 11, to gether with the tongue 10, is slit midway and vertically to form the slot-12 which is restricted at itsupperextremity but widened as: it approaches its lower extremity. The

sidesof the tongue 10 are tapered to form cam-shaped edges 13, 13 so that when the attaching loop F is turned down as shown these cam-shaped edges bear against the abutting shoulders 14:, 14' ofthe attaching loop and thereby spread the lower side of the latter and draw apart the extremities 15, 15" of the pintles. This spreading action forms a passage between the ends of the pintles which registers or substantially registers with the opening 12 in the journal bearing 10 of'th'e button loop. The support ing loop in the tab isthen passed through the passage thus formed and attached to the clasp in the manner hereinbefore described.

Referring to the modification shown in Fig. 8', the clasp comprises the attaching loop H and button loop K. The attaching loop H is bent up out of a single piece of wire having its extremities terminating in its lower side 17, 17. and projecting downseparate t wardly in the form of flattened pintle straps 16, 16. The outside edges of these pintle straps, however, are not formed cam-shaped but are straight. These pintle straps are curled around the outer extremities of the top side of the button loop K so that their outside edges 18, 18 engage the upper extremities of the sides 19, 19, which latter form abutting shoulders against which these straight edges bear, thereby preventing the attaching loop H from becoming distorted or spread when the clasp is subjected to severe strains.

Whilethe devices above described embody the preferred forms of my invention, yet the same are susceptible to such further modification as may fairly come within the scope of the appended claims.

Having now described. my invention what I claim and desire to protect by Letters Patentis:

1.v A button claspcomprising an attaching loop bent'up out of a single piece of wire theext'remit'iesof which terminate indownwardly projecting pintle straps spaced apart, one" of said straps having a camshaped? outside edge, and a wire button loop having its top side formed by bending the extremitiesof the wire inwardly to formpintles the ends of which latter substantially meet, the. said pintle straps being curled around thenextremitiesof said pintles so that' the said cam-shaped edge will bear against the adjacent side of the button loop and he ends of the pintlesto form a passage for the looped extremity of a button tab when one of the loops is turned. outof the planeof the other.

2. A button clasp: comprising anattaching loop having'it's lower side open and provided with downwardly projecting pintle straps one of which has a cam-shaped outside edge,

and a wire button loop having its top side formed by bending the extremities of the wire inwardly to form pintles the ends of which latter substantially meet. the said pintle straps being curled around the extremis ties of said pintles so that the said camshaped edge will bear against the adjacent side of the button loop and separate the ends of the pintles to form a passage for the looped extremity of the loops isturned out of the plane of the other.

3. A button clasp comprising an attaching loop, a button loop and spaced journal'bearings carried by one of said loops. and curled around the adjacent side of the other loop, the outside edge of oneof said journal bearings being cam-shaped and the said adjacent side being bifurcated between said bearings and provided with shoulders against which of a button tab when one.

button tab when one of the loops is turned with integral and cylindrical journal bearout of the plane of the other. ings, the said bearings being carried by said 10 4. A button clasp comprising an attaching cross bar and spaced apart so that their outloop and a button loop one of said loops beside edges bear against said shoulders.

5 ing provided With a cross bar and shoulders In testimony whereof I have hereunto set at the ends and to one side of said cross bar, my hand this 28th day of June, 1918. the other loop being bent up out of a single piece of Wire having its extremities provided HENRY J. STUART.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0." 

